73717231652 has 6 divisors (see below), whose sum is σ = 129005155398. Its totient is φ = 36858615824.

The previous prime is 73717231649. The next prime is 73717231669. The reversal of 73717231652 is 25613271737.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 73558118656 + 159112996 = 271216^2 + 12614^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9214653953 + ... + 9214653960.

It is an arithmetic number, because the mean of its divisors is an integer number (21500859233).

Almost surely, 2^73717231652 is an apocalyptic number.

It is an amenable number.

73717231652 is a deficient number, since it is larger than the sum of its proper divisors (55287923746).

73717231652 is a wasteful number, since it uses less digits than its factorization.

73717231652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18429307917 (or 18429307915 counting only the distinct ones).

The product of its digits is 370440, while the sum is 44.

The spelling of 73717231652 in words is "seventy-three billion, seven hundred seventeen million, two hundred thirty-one thousand, six hundred fifty-two".